<template>
    <div class="app-container">
        <!--顶部header区域-->
        <mt-header fixed title="Vue项目">
            <span  slot="left" @click="goback" v-show="flag">
                <mt-button icon="back">返回</mt-button>
            </span>
        </mt-header>
        <!--中间路由router-view区域-->
        <transition >
            <router-view></router-view>
        </transition>

        <!--底部tabbar区域-->
        <nav class="mui-bar mui-bar-tab">
            <router-link class="mui-tab-item1" to="/home">
                <span class="mui-icon mui-icon-home"></span>
                <span class="mui-tab-label">首页</span>
            </router-link>
            <router-link class="mui-tab-item1" to="/member">
                <span class="mui-icon mui-icon-contact"></span>
                <span class="mui-tab-label">会员</span>
            </router-link>
            <router-link class="mui-tab-item1" to="/cart">
                <span class="mui-icon mui-icon-extra mui-icon-extra-cart"><span class="mui-badge" id="badge">{{$store.getters.getAllCount}}</span></span>
                <span class="mui-tab-label">购物车</span>
            </router-link>
            <router-link class="mui-tab-item1" to="/search">
                <span class="mui-icon mui-icon-search"></span>
                <span class="mui-tab-label">搜索</span>
            </router-link>
        </nav>
    </div>
</template>
<script>
export default {
    data(){
        return{
            flag:false
        }
    },
    methods:{
        goback(){
            //点击后退
            this.$router.go(-1)
        }
    },
    created(){
        this.flag=this.$route.path==='/home'?false:true

    },
    watch:{
        '$route.path':function (newVal) {
            console.log(newVal)
            if(newVal==='/home'){
                this.flag=false
            }else {
                this.flag=true
            }
        }
    }
}
</script>

<style scoped>
    .mint-header{
        z-index: 99;
    }
    .app-container{
        padding-top: 40px;
        padding-bottom: 50px;
    }
    .v-enter
    {
        opacity: 0;
        transform:translateX(100%) ;
    }
    .v-leave-to{
        opacity: 0;
        transform:translateX(-100%) ;
        position: absolute;
    }
    .v-enter-active,
    .v-leave-active{
        transition: all 0.5s ease;
    }
    /*改类名解决tabbar无法跳转问题*/
    .mui-bar-tab .mui-tab-item1.mui-active {
        color: #007aff;
    }
    .mui-bar-tab .mui-tab-item1 {
        display: table-cell;
        overflow: hidden;
        width: 1%;
        height: 50px;
        text-align: center;
        vertical-align: middle;
        white-space: nowrap;
        text-overflow: ellipsis;
        color: #929292;
    }
    .mui-bar-tab .mui-tab-item1 .mui-icon {
        top: 3px;
        width: 24px;
        height: 24px;
        padding-top: 0;
        padding-bottom: 0;
    }
    .mui-bar-tab .mui-tab-item1 .mui-icon ~ .mui-tab-label {
        font-size: 11px;
        display: block;
        overflow: hidden;
        text-overflow: ellipsis;
    }
</style>